ventral root

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Related to Anterior roots: ventral root

ventral root

n.
Either of the two roots of a spinal nerve, consisting of motor fibers and arising from the anterior section of the spinal cord.
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.ventral root - one of two the two roots of a spinal nerve that passes ventrally from the spinal cord and that consists of motor fibers
efferent, efferent nerve, motor nerve - a nerve that conveys impulses toward or to muscles or glands
nervus spinalis, spinal nerve - any of the 31 pairs of nerves emerging from each side of the spinal cord (each attached to the cord by two roots: ventral and dorsal)
Based on WordNet 3.0, Farlex clipart collection. © 2003-2012 Princeton University, Farlex Inc.
References in periodicals archive ?
Molar roots demonstrated the lowest rate of acceptable root fillings (30.7%) compared with anterior roots (53%) and premolar roots (43%).
Motor signals from the anterior motorneurons, leave the cord via the anterior roots and innervate the skeletal muscle fibres of which there are two types;
FMS stimulates the sacral nerve roots, including posterior (sensory) and anterior roots (motor), while SARS only stimulates the sacral anterior roots.